Home / 6,331.40-8,735.23-3,812.55

Finding the Fourth Proportional to 6,331.40, 8,735.23 and 3,812.55

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Solution

The fourth proportional to 6,331.40, 8,735.23 and 3,812.55 is: 5,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.40 : 8,735.23 = 3,812.55 : x
  2. Step 2: Convert to fraction form
    6,331.40/8,735.23 = 3,812.55/x
  3. Step 3: Cross multiply
    6,331.40x = 8,735.23 × 3,812.55
  4. Step 4: Simplify right side
    6,331.40x = 33,303,500.84
  5. Step 5: Solve for x
    x = 33,303,500.84/6,331.40
  6. Step 6: Final answer
    x = 5,260.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.